Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Chinook Query Parameters
Year2024
ProjectJohn Day
River ParameterTailrace TDG Percent
Critical Tailrace TDG Percent Value120 %
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates3/15 - 6/15
Total Run Period (Apr 1 - Jun 15)
Total Number of Fish Observed80800
Percent of Total Run Analyzed [Number Observed]100 % [80800]
Tailrace TDG Percent Exposure Index115.28 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 80% of Run Period (Apr 30 - Jun 10)
Number of Fish Observed66371
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [66371]
Tailrace TDG Percent Exposure Index115.23 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (May 6 - May 23)
Number of Fish Observed44646
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [44646]
Tailrace TDG Percent Exposure Index115.25 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunApr 1
5% of Run passedApr 26
10% of Run passedApr 30
50% of Run passedMay 12
90% of Run passedJun 10
95% of Run passedJun 13
Last Day of RunJun 15